The current fdisk default is to use cylinders and DOS-compatible mode
(align to the cylinders and use geom.sectors as offset for the first
partition). Now is year 2010 and this behaviour sucks...
fdisk(8) since version 2.17[.2] allows to create more modern and with
new 4K disk (or RAIDs) compatible partition tables. This all is
possible in non-DOS-compatible mode only.
So... we need a change. The default fdisk behavior has to be compatible
with moder operation systems (where all is based on LBA) and modern
disks (where is necessary to align to physical sector boundary).
I have changed the default fdisk behavior, fdisk is going to use sectors
and non-DOS mode by default (1MiB grain and offset). This change will be
available in v2.18-rc2.
The old deprecated DOS stuff could be enable by 'c' and 'u' fdisk
commands or "-c=dos -u=cylinders" command line options.
Unfortunately, all scripts where is expected DOS mode has to be
updated. The scripts where is already "fdisk -l -u" or "fdisk -c -u"
are not affected by this change.
Comments?
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
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